The site was identified as important in 2007 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Populations meeting IBA criteria ('trigger species') at the site:Species | Red List1 | Season | Year(s) | Size | IBA criteria |
---|---|---|---|---|---|
Razorbill Alca torda | LC | breeding | 1998 | 22,900 individuals | A4ii, B1ii, B3, C3 |
Common Murre Uria aalge | LC | breeding | 1998 | 32,470 individuals | B1ii, C3 |
A4iii Species group - seabirds | n/a | breeding | 1998 | 52,959 breeding pairs | A4iii, C4 |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2007) may differ.
Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2007. The most recent assessment (2007) is shown below.
IBA conservation assessment | |||
---|---|---|---|
Year of assessment | State | Pressure | Response |
2007 | very unfavourable | high | low |
Whole site assessed? | State assessed by | Accuracy of information | |
yes | population | good |
State (condition of the trigger species' populations) | |||||
---|---|---|---|---|---|
Species | Reference | Actual | Units | % remaining | Result |
European Shag Gulosus aristotelis | 720 | 278 | breeding pairs | 39 | very unfavourable |
Razorbill Alca torda | 16,866 | 22,900 | individuals | 100 | favourable |
Common Murre Uria aalge | 31,940 | 32,470 | individuals | 100 | favourable |
A4iii Species group - seabirds | 45,806 | 52,959 | breeding pairs | 100 | favourable |
A4iii Species group - waterbirds | 10,010 | 6,004 | breeding pairs | 60 | unfavourable |
Pressure (threats to the trigger species and/or their habitats) | ||||
---|---|---|---|---|
Threat | Timing | Scope | Severity | Result |
Climate change and severe weather | happening now | whole area/population (>90%) | slow but significant deterioration | high |
Response (conservation actions taken for the trigger species and/or their habitats) | |||
---|---|---|---|
Protected areas | Management plan | Other action | Result |
Whole area of site (>90%) covered by appropriate conservation designation | A management plan exists but it is out of date or not comprehensive | Very little or no conservation action taking place | low |
Year | Protected Area | Designation | % overlap with IBA |
---|---|---|---|
1975 | Mingulay and Berneray | Site of Special Scientific Interest (UK) | 90 |
1999 | Mingulay and Berneray | Special Protection Area (Birds Directive) | 100 |
2011 | Mingulay and Berneray | Marine Protected Area (OSPAR) | 9 |
Habitat1 | Habitat detail | % of IBA |
---|---|---|
Grassland | Humid grasslands, Machair | - |
Marine Coastal/Supratidal | - | |
Shrubland | Heathland | - |
Land use | % of IBA |
---|---|
agriculture | 100 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Mingulay and Berneray (United Kingdom). Downloaded from
https://datazone.birdlife.org/site/factsheet/mingulay-and-berneray-iba-united-kingdom on 23/11/2024.